Size doesn't matter...

Where online classes are concerned, that is.
https://www.insidehighered.com/news/2015/01/05/study-finds-no-impact-increasing-class-size-student-outcomes

http://www.peterlang.com/index.cfm?event=cmp.ccc.seitenstruktur.detailseiten&seitentyp=produkt&pk=77271&cid=5&concordeid=312466